<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <title>活动列表</title>
    <link rel="stylesheet" href="https://cdn.bootcdn.net/ajax/libs/bootstrap/4.5.2/css/bootstrap.min.css">
    <link rel="stylesheet" href="./css/base.css">
    <style>
        body {
            font-family: Arial, sans-serif;
            background-color: #f2f2f2;
        }

        .activity-list {
            padding: 0 30px;
        }

        #activities {
            height: calc(100vh - 134px);
            overflow-y: auto;
            padding-right: 10px;
        }

        .activity-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background-color: #f7f7f7;
            padding: 24px;
            border-radius: 4px;
            overflow: hidden;
            margin-bottom: 10px;
            border-radius: 8px;
            padding-bottom: 12px;
        }

        .activity-info {
            width: calc(100% - 120px);
        }

        .activity-info h4 {
            width: 100%;
            font-weight: 600;
            font-size: 15px;
            color: #000000;
            margin-bottom: 4px;
        }

        .activity-info p {
            font-weight: 400;
            font-size: 14px;
            color: #666666;
            margin: 0;
            line-height: 28px;
        }

        .active a {
            font-weight: 400;
            font-size: 15px;
            color: red;
            margin-bottom: 0;
            display: block;
            width: 250px;
        }

        .inactive a {
            font-weight: 400;
            font-size: 15px;
            color: gray;
            margin-bottom: 0;
            display: block;
            width: 250px;
        }

        .pagination {
            display: flex;
            justify-content: flex-end;
            margin-top: 18px;
            padding-right: 16px;
        }

        .pagination button {
            margin: 0 5px; /* 按钮之间的间距保持不变 */
            border-radius: 5px; /* 设置圆角为20像素，可以根据需要调整 */
            border: 1px solid #007bff;
            background-color: #fff;
            padding: 0px 8px; /* 可以添加一些内边距，使按钮看起来更饱满 */
            cursor: pointer; /* 将鼠标光标改为指针形状，提升用户体验 */
            font-size: 13px;
        }

        .pagination span {
            margin: 0 10px;
            font-size: 14px;
        }

        .pagination input {
            width: 80px;
            text-align: center;
        }

        .activity-list h2 {
            font-weight: 600;
            font-size: 18px;
            color: #000000;
            height: 70px;
            display: flex;
            align-items: center;
            margin-bottom: 0;
        }
    </style>
</head>
<body style="background-color: white">
<div class="activity-list">
    <h2>活动列表</h2>
    <div id="activities">
        <!-- 活动列表将动态插入这里 -->
    </div>
    <div class="pagination">
        <button class="btn-outline-primary" onclick="fetchActivities(1)">首页</button>
        <button class="btn-outline-primary" onclick="previousPage()">上一页</button>
        <span>第 <input type="number" id="pageInput" min="1" value="1"/> 页</span>
        <button class="btn-outline-primary" onclick="nextPage()">下一页</button>
        <button class="btn-outline-primary" onclick="fetchActivities(totalPages)">尾页</button>
    </div>
</div>

<script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
<script src="./js/toastr.min.js"></script>
<script>
    var currentPage = 1;
    var pageSize = 10;
    var totalPages;
    var userToken = localStorage.getItem("user_token");

    // 发送AJAX请求的函数
    function fetchActivities(page) {
        // 如果页码小于1，则重置为1
        if (page < 1) {
            page = 1;
        }
        // 更新当前页码
        currentPage = page;
        // 构建要发送的数据对象
        var dataToSend = {
            currentPage: currentPage,
            pageSize: pageSize
        };
        // 发送AJAX请求
        $.ajax({
            url: '/activity/list',
            type: 'get',
            data: dataToSend, // 将分页参数作为请求数据发送
            dataType: 'json',
            headers: {
                // jwt
                user_token: userToken
            },
            success: function (result) {
                if (result.code != 200) {
                    alert("查询活动列表失败！" + result.msg);
                } else {
                    var activities = result.data.records; // 假设返回的数据中活动列表字段为 'records'
                    var activitiesHtml = '';
                    var listContainer = document.getElementById('activities');
                    // 在添加新内容前，先清空listContainer
                    listContainer.innerHTML = '';
                    activities.forEach(function (activity) {
                        var url = 'draw.html?activityName=' + encodeURIComponent(activity.activityName)
                            + '&activityId=' + encodeURIComponent(activity.id)
                            + '&valid=' + encodeURIComponent(activity.valid);
                        var linkTextActive = `<a href="${url}" target="_blank">活动进行中，去抽奖</a>`;
                        var linkTextInactive = `<a href="${url}" target="_blank">活动已完成，查看中奖名单</a>`;
                        var validClass = activity.valid ? 'active' : 'inactive';
                        var link = activity.valid ? linkTextActive : linkTextInactive;
                        activitiesHtml += `
                      <div class="activity-item">
                        <div class="activity-info">
                          <h4>${activity.activityName}</h4>
                          <p>${activity.description}</p>
                        </div>
                        <div class="${validClass}">
                          <p>${link}</p>
                        </div>
                      </div>
                    `;
                    });
                    $('#activities').html(activitiesHtml);
                    // 更新分页控件的总页数
                    totalPages = Math.ceil(result.data.total / pageSize);
                    // 更新输入框的值
                    $('#pageInput').val(currentPage);
                } // else end
            },
            error: function (err) {
                console.log(err);
                if (err != null && err.status == 401) {
                    alert("用户未登录, 即将跳转到登录页!");
                    // 跳转登录页
                    window.location.href = "/blogin.html";
                    window.parent.location.href = "/blogin.html";//让父页面一起跳转
                }
            }
        });
    }


    function previousPage() {
        if (currentPage > 1) {
            fetchActivities(currentPage - 1);
        } else {
            alert("已经是第一页");
        }
    }

    function nextPage() {
        if (currentPage < totalPages) {
            fetchActivities(currentPage + 1);
        } else {
            alert("已经是最后一页");
        }
    }

    $(document).ready(function () {
        fetchActivities(1);
    });

    // 绑定输入框回车事件
    $('#pageInput').on('keypress', function (e) {
        if (e.key === 'Enter') {
            var page = parseInt(this.value);
            if (page > totalPages) {
                page = totalPages
                $('#pageInput').val(totalPages);
            }
            if (!isNaN(page) && page >= 1 && page <= totalPages) {
                fetchActivities(page);
            }
        }
    });

</script>
</body>
</html>